20799350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2945

約数の個数: 48

約数和(自身を含む): 45465840

約数和(自身を除く): 24666490

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2909, 3575, 5818, 7150, 14545, 29090, 31999, 37817, 63998, 72725, 75634, 145450, 159995, 189085, 319990, 378170, 415987, 799975, 831974, 945425, 1599950, 1890850, 2079935, 4159870, 10399675, 20799350]

約数ペア:

[(1, 20799350), (2, 10399675), (5, 4159870), (10, 2079935), (11, 1890850), (13, 1599950), (22, 945425), (25, 831974), (26, 799975), (50, 415987), (55, 378170), (65, 319990), (110, 189085), (130, 159995), (143, 145450), (275, 75634), (286, 72725), (325, 63998), (550, 37817), (650, 31999), (715, 29090), (1430, 14545), (2909, 7150), (3575, 5818)]